<template>
  <div class="user-layout-register">
    <a-form
      ref="formRegister"
      :autoFormCreate="
        form => {
          this.form = form;
        }
      "
      id="formRegister"
    >
      <a-form-item
        fieldDecoratorId="email"
        :fieldDecoratorOptions="{
          rules: [{ required: true, message: '请输入注册账号' }, { validator: this.handleUsernameCheck }],
          validateTrigger: ['change', 'blur']
        }"
      >
        <a-input size="large" type="text" v-model="username" placeholder="账号"></a-input>
      </a-form-item>
      <a-popover placement="rightTop" trigger="click" :visible="state.passwordLevelChecked">
        <template slot="content">
          <div :style="{ width: '240px' }">
            <div :class="['user-register', passwordLevelClass]">
              强度：<span>{{ passwordLevelName }}</span>
            </div>
            <a-progress :percent="state.percent" :showInfo="false" :strokeColor="passwordLevelColor" />
            <div style="margin-top: 10px;">
              <span>请至少输入 6 个字符。请不要使用容易被猜到的密码。</span>
            </div>
          </div>
        </template>
        <a-form-item
          fieldDecoratorId="password"
          :fieldDecoratorOptions="{
            rules: [{ required: true, message: '至少6位密码' }, { validator: this.handlePasswordLevel }],
            validateTrigger: ['change', 'blur']
          }"
        >
          <a-input
            size="large"
            v-model="password"
            type="password"
            @click="handlePasswordInputClick"
            autocomplete="false"
            placeholder="至少6位密码"
          ></a-input>
        </a-form-item>
      </a-popover>

      <a-form-item
        fieldDecoratorId="password2"
        :fieldDecoratorOptions="{
          rules: [{ required: true, message: '至少6位密码' }, { validator: this.handlePasswordCheck }],
          validateTrigger: ['change', 'blur']
        }"
      >
        <a-input size="large" type="password" autocomplete="false" placeholder="确认密码"></a-input>
      </a-form-item>
      <!--
      <a-form-item
        fieldDecoratorId="mobile"
        :fieldDecoratorOptions="{rules: [{ required: true, message: '请输入正确的手机号', pattern: /^1[3456789]\d{9}$/ }, { validator: this.handlePhoneCheck } ], validateTrigger: ['change', 'blur'] }">
        <a-input size="large" placeholder="11 位手机号">
          <a-select slot="addonBefore" size="large" defaultValue="+86">
            <a-select-option value="+86">+86</a-select-option>
            <a-select-option value="+87">+87</a-select-option>
          </a-select>
        </a-input>
      </a-form-item>
      <a-input-group size="large" compact>
            <a-select style="width: 20%" size="large" defaultValue="+86">
              <a-select-option value="+86">+86</a-select-option>
              <a-select-option value="+87">+87</a-select-option>
            </a-select>
            <a-input style="width: 80%" size="large" placeholder="11 位手机号"></a-input>
          </a-input-group>

      <a-row :gutter="16">
        <a-col class="gutter-row" :span="16">
          <a-form-item
            fieldDecoratorId="captcha"
            :fieldDecoratorOptions="{rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur'}">
            <a-input size="large" type="text" placeholder="验证码">
              <a-icon slot="prefix" type='mail' :style="{ color: 'rgba(0,0,0,.25)' }"/>
            </a-input>
          </a-form-item>
        </a-col>
        <a-col class="gutter-row" :span="8">
          <a-button
            class="getCaptcha"
            size="large"
            :disabled="state.smsSendBtn"
            @click.stop.prevent="getCaptcha"
            v-text="!state.smsSendBtn && '获取验证码'||(state.time+' s')"></a-button>
        </a-col>
      </a-row>
-->
      <a-form-item>
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="register-button"
          :loading="registerBtn"
          @click.stop.prevent="handleSubmit"
          :disabled="registerBtn"
          >立即注册
        </a-button>
        <a class="login" @click="returnLogin">使用已有账户登录</a>
      </a-form-item>
    </a-form>
  </div>
</template>

<script>
const levelNames = {
  0: '低',
  1: '低',
  2: '中',
  3: '强'
};
const levelClass = {
  0: 'error',
  1: 'error',
  2: 'warning',
  3: 'success'
};
const levelColor = {
  0: '#ff0000',
  1: '#ff0000',
  2: '#ff7e05',
  3: '#52c41a'
};
export default {
  name: 'Regist',
  components: {},
  data() {
    return {
      form: null,
      username: '',
      password: '',
      state: {
        time: 60,
        smsSendBtn: false,
        passwordLevel: 0,
        passwordLevelChecked: false,
        percent: 10,
        progressColor: '#FF0000'
      },
      registerBtn: false
    };
  },
  computed: {
    passwordLevelClass() {
      return levelClass[this.state.passwordLevel];
    },
    passwordLevelName() {
      return levelNames[this.state.passwordLevel];
    },
    passwordLevelColor() {
      return levelColor[this.state.passwordLevel];
    }
  },
  methods: {
    isMobile() {
      return this.$store.state.setting.isMobile;
    },
    handlePasswordLevel(rule, value, callback) {
      let level = 0;

      // 判断这个字符串中有没有数字
      if (/[0-9]/.test(value)) {
        level++;
      }
      // 判断字符串中有没有字母
      if (/[a-zA-Z]/.test(value)) {
        level++;
      }
      // 判断字符串中有没有特殊符号
      if (/[^0-9a-zA-Z_]/.test(value)) {
        level++;
      }
      this.state.passwordLevel = level;
      this.state.percent = level * 30;
      if (level >= 2) {
        if (level >= 3) {
          this.state.percent = 100;
        }
        callback();
      } else {
        if (level === 0) {
          this.state.percent = 10;
        }
        callback(new Error('密码强度不够'));
      }
    },

    handlePasswordCheck(rule, value, callback) {
      let password = this.form.getFieldValue('password');
      if (value === undefined) {
        callback(new Error('请输入密码'));
      }
      if (value && password && value.trim() !== password.trim()) {
        callback(new Error('两次密码不一致'));
      }
      callback();
    },

    handleUsernameCheck(rule, value, callback) {
      let username = this.username.trim();
      if (username.length) {
        if (username.length > 10) {
          callback(new Error('用户名不能超过10个字符'));
        } else if (username.length < 4) {
          callback(new Error('用户名不能少于4个字符'));
        } else {
          this.$get(`user/check/${username}`).then(r => {
            if (r.data) {
              callback();
            } else {
              this.validateStatus = 'error';
              callback(new Error('抱歉，该用户名已存在'));
            }
          });
        }
      } else {
        callback();
      }
    },

    // handlePhoneCheck (rule, value, callback) {
    //   callback()
    // },

    handlePasswordInputClick() {
      if (!this.isMobile()) {
        this.state.passwordLevelChecked = true;
        return;
      }
      this.state.passwordLevelChecked = false;
    },

    handleSubmit() {
      this.form.validateFields((err, values) => {
        if (!err) {
          this.$post('regist', {
            username: this.username,
            password: this.password
          })
            .then(() => {
              this.$message.success('注册成功');
              this.returnLogin();
            })
            .catch(() => {
              this.$message.error('抱歉，注册账号失败');
            });
        }
      });
    },
    // getCaptcha (e) {
    //   e.preventDefault()
    //   let that = this
    //
    //   this.form.validateFields(['mobile'], {force: true},
    //     (err, values) => {
    //       if (!err) {
    //         this.state.smsSendBtn = true
    //
    //         let interval = window.setInterval(() => {
    //           if (that.state.time-- <= 0) {
    //             that.state.time = 60
    //             that.state.smsSendBtn = false
    //             window.clearInterval(interval)
    //           }
    //         }, 1000)
    //       }
    //     }
    //   )
    // },
    returnLogin() {
      this.$emit('regist', 'Login');
    }
  }
};
</script>
<style lang="less">
.user-register {
  &.error {
    color: #ff0000;
  }
  &.warning {
    color: #ff7e05;
  }
  &.success {
    color: #52c41a;
  }
}
.user-layout-register {
  .ant-input-group-addon {
    &:first-child {
      background-color: #fff;
    }
  }
  & > h3 {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }
  .register-button {
    width: 50%;
  }
  .login {
    float: right;
    line-height: 40px;
  }
}
</style>
